Define self-inductance of a coil . Write its S.I. units ?

(a) Define self inductance. Write its S.I. units (b) Derive and expression for self inductance of a long solenoid of length l cross-sectional area A having N number of turns.

Define self-inductance of a coil and hence write the definition of 'Henry'.

Define the term 'self-inductance' and write the S.I. unit.

Define self-inductance of a coil. Obtain the expression for the energy stored in an inductor L connected across a source of emf.

Answer the following: (a) Define mutual inductance and write its S.I. unit. (b) A square loop of side a carrying a current I_(2) is kept at distance x from an infinitely long straight wire carrying a current I_(1) as shown in the figure. Obtain the expression for the resultant force on the loop.

Define moment of couple. Write its S.I unit.

Define the term amplitude of a wave. Write its S.I. unit.

Define the term amplitude of a wave. Write its S.I. unit.

The self-inductance of a coil is 2H. The current in the coil changes from 8A to 2.95 A in 0.01 s. The time constant of the coil will be -

Write the S.I. unit of speed.